There are many fascinating species in the world. However, a number of species are going extinct as a result of habitat loss and human activity. Then, efforts are made to find the extinct species. The last members of rediscovered species are currently being studied by scientists and conservationists for strategies to conserve them. Here are a few examples of species that were considered to have vanished only to reappear.
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10 Incredible Animals That Survived Extinction.pdf
1. 10 Incredible Animals That Survived
Extinction
There are many fascinating species in the world. However, a number of species are going extinct as a
result of habitat loss and human activity. Then, efforts are made to find the extinct species. The last
members of rediscovered species are currently being studied by scientists and conservationists for
strategies to conserve them. Here are a few examples of species that were considered to have
vanished only to reappear.
#10 Pygmy chameleon of Chapman
The 2.2-inch (5.5-centimeter) Chapman's pygmy chameleon (Rhampholeon chapmanorum), which
was first discovered in 1992, wasn't spotted in the wild again until 2016. The chameleon was found
in the rainforest by scientists from the Museums of Malawi and the South African National
Biodiversity Institute. An estimated 80% of the Malawi Hills' rainforests, home to chameleons, have
been destroyed during the past 40 years, primarily for agricultural use. The chameleon is severely
threatened, and the isolated residual populations harm genetic diversity. In order to preserve what
is left of the chameleon's habitat, the researchers are urging further surveys and monitoring of
chameleon populations.
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2. #9 The Black-Bowed Babbler
German naturalist Carl A. L. M. Schwaner only only obtained one specimen of the black browed
babbler (Malacocincla perspicillata) between 1843 and 1848. The specimen is currently on display
in the Netherlands at the Naturalis Biodiversity Center. Being lost to science for 170 years makes it
the Asian species with the longest known period of disappearance. However, following numerous
reports, two villagers in South Kalimantan, Indonesia, were able to find the rare bird there.
Photographs taken during the incident were then sent to ornithologists, who were able to positively
identify the bird as a black-breasted babbler.
With a short tail and a thick bill, the bird has a hefty appearance. The underparts were greyish with
faint white streaks up to the breast and had dark brown underparts with dark brown upper parts.
The bird has a distinctive face, with a chestnut brown crown and a thick black eye stripe that runs
from the cheekbones to the nape and sides of the neck.
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3. #8 Sierra Leone Crab
There haven't been any sightings of this tiny, vibrant crab since 1955. The crab was sought after in
Sierra Leone, West Africa, by Pierre Mvogo Ndongo, a lecturer and researcher at the University of
Douala in Cameroon. Three weeks passed during the excursion. With the aid of the nearby villagers
who helped with the hunt, he found six of the Sierra Leone crabs (Afrithelphusa leonensis).
The Sierra Leone crabs that were found reside inland, far from water sources, in the holes of the
rainforest ground, and they have evolved to breathe air. Female Sierra Leone crabs have purple
bodies with orange-yellow legs, while male crabs have pinkish-purple claws and orange legs.
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4. #7 Coelacanth
The coelacanth (Latimeria) was thought to have died out 65 million years ago along with the
dinosaurs. But once it was found in South Africa in 1938, the world became interested by this
peculiar lobe-finned fish, which led to a debate regarding how it fits into the evolution of terrestrial
creatures.
Coelacanth and the related Indonesian coelacanth have a number of morphological characteristics
that distinguish them from other species. The coelacanth's pair of lobe fins, which stick out from its
body-like legs and alternately move in a trotting horse-like beat, are its most distinctive feature.
Other distinguishing characteristics include an oil-filled tube called a notochord that serves as a
backbone, thick scales found only on extinct fish, and an electro-sensory rostral organ in its snout
that is likely used to detect prey. The fish also has a hinged joint in its skull that allows it to open its
mouth wide for large prey.
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5. #6 Giant Bee of Wallace
The largest bee in the world was found in 1859 by British naturalist Alfred Russell Wallace. It is a
huge, black wasp-like insect that is the length of an adult thumb. Megachile pluto was thought to be
extinct until 1981, when Adam Messer, an entomologist, discovered specimens that are currently
kept in museums.
An international team of environmentalists visited Indonesia in January 2019 and travelled along
Wallace's route in an effort to find the bee again, years after the previous sighting. After a
challenging voyage, the team was able to photograph a living specimen, giving the species new hope
for survival.
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6. #5 Giant Tortoise of Fernandina
Since its last sighting 112 years ago, the Fernandina Giant Tortoise (Chelonoidis phantasticus) has
been thought to be extinct. 2019 saw the discovery of the female giant tortoise under the direction
of Animal Planet host Forrest Galante, the Galápagos Conservancy, and the Galápagos National Park
Directorate (GNPD).
The Yale University geneticists received a blood sample. The only other tortoise ever found on
Fernandina Island was compared to the female tortoise by a team headed by Dr. Gisella Caccone to
understand its genetic background. She was given the name "Fernanda" by her discoverers. She is
now known to be related to the Chelonoidis phantasticus tortoise species that is native to the island.
These findings support the long-held expectations of researchers at the GNPD and the Galápagos
Conservancy.
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7. #4 Aldabra Rail
The Seychelles Islands' Aldabra Islands Atoll, located in the western Indian Ocean, is home to the
Aldabra rail (Dryolimnas cuvieri aldabranus). The Aldabra rail, a bird without wings, was
completely wiped out when their island habitat was flooded. When the sea level fell, the rail was
able to adapt once more. Aldabra rail fossils have been discovered that date back 136,000 years, and
they have been compared to a specimen that is about 100,000 years old. The research revealed a
similarity between the fossils and the bones of modern rails.
An uncommon instance of evolution iteration is shown in the re-emergence of the Aldabra rail.
According to research done by professor David Martill, a paleobiologist at the University of
Portsmouth, and Dr. Julian Hume, an avian paleontologist at the Natural History Museum, the
phenomena is specific to the Aldabra rail and has not been detected in other bird species. This data
raises the probability of a further repetition.
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8. #3 Somali Elephant Shrew
The Somali elephant shrew (Elephantulus revoilii), often known as sengis, was last observed
scientifically in the 1970s. The Somali sengi is an unusual hybrid of animals. Its legs are slim and
gazelle-like, allowing it to dash across rocks at a high rate of speed despite having a body that is
comparable in size and shape to a mouse. It also possesses a nose that resembles an elephant's
trunk, which it uses to suck up ants. The closest surviving relatives of the Somali sengi include
aardvarks, elephants, and manatees.
The last scientific record of it dates back to the 1970s, although the locals never believed it to be
extinct. The once-lost species was rediscovered in 2019 as a result of an expedition to the Horn of
Africa that included Steven Heritage, a research scientist at the Duke University Lemur Center, his
colleague Galen Rathbun, a vertebrae behavioral ecologist from the California Academy of Sciences,
and local scientists Djama Awaleh and Houssien Rayaleh from Djibouti. In 12 different places, the
researchers placed more than 1,000 traps with bait made of a combination of peanut butter,
oatmeal, and yeast. On their two-week journey, they were able to see 12 sengis and capture live
scientific data.
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9. #2 Jackson’s Climbing Salamander
Before Tomas Ramos Leon, a park ranger at a recently established amphibian reserve in the
Cuchumatanes Mountain range, spotted the salamander, the Jackson's climbing salamander
(Bolitoglossa jacksoni), thought to be extinct and first discovered in 1975 by Jeremy Jackson. The
salamander is also known as the golden wonder due to its brilliant yellow color. Carlos Vasquez, the
curator of herpetology at the University of San Carlos in Guatemala, later confirmed, based on the
photographs, that the encounter was a Jackson's climbing salamander. This happened following an
informational campaign by the FUNDAECO (Foundation for Ecodevelopment and Conservation) to
aid park rangers in recognizing these secretive creatures.
The reserve was expanded when Jackson's climbing salamander was found there. The long-limbed
salamander and the Finca Chiblac salamander, both of which were rediscovered in 2014, are also
present in the park. Despite being discovered for the first time in 42 years, the Jackson's climbing
salamander is still in grave danger.
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10. #1 Santa Marta Sabrewing
The Sierra Nevada de Santa Marta in northern Colombia is home to the emerald green Santa Marta
sabrewing (Campylopterus phainopeplus). In 2010, seasoned birdwatcher Yurgen Vega
unintentionally came across a male Santa Marta sabre-tooth hummingbird in the mountains. Since
1946, there have only been two confirmed sightings of this severely endangered hummingbird, and
it was long believed that the species had vanished from scientific knowledge.
The Santa Marta brewery is a subject on which little is known. It is believed to be migratory and
inhabits humid tropical forests. During the rainy season, they consume flowering plants for food.
The Santa Marta sabrewing was found in an unprotected forest in the Santa Marta highlands, where
just 15% of the original woodlands are still present. More study and protection for this species are
being urged by experts.
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